CVE

CVE-2021-20031

6.1

CVSS

Description

A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.

Attack Vector

Privileges Req.

User Interaction

sonicos

Updated Sep 18, 2026View on NVD →

S4E scanner

mediumProduct Based Web Vulnerabilities~10 seconds

CVE-2021-20031 Scanner

CVE-2021-20031 scanner - Host Header Injection vulnerability in SonicOS

Used 3.4k times · 5.9k assets checked · domain, ipv4, subdomain

Scanner page →Run scanner

CVE history: sonicos

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